Clinical Application Research of Teeth Whitening Technology

Objective To study the clinical efficacy and stability of different whitening technology in treating of discolored teeth.Methods120 patients with a total of 266 different types of discolored teeth were randomly divided into three groups: group A(40 cases,89 teeth) was treated with Beyond cold light tooth whitening,group B(42 cases,89 teeth) with Tree home teeth whitening package,and group C(38 cases,88 teeth) with PolaOffice clinic applying bleaching agent as control.The teeth bleaching brightness levels was measured with VITA shade guide and analyzed statistically.ResultsThe symptoms of discolored teeth were improved to some extent in three groups.The curative efficiency of group A(95.51%) and B(93.26%) was superior to the control group(group C,53.41%),P0.01.There was no statistically significant difference between group A and B(P0.05).ConclusionBeyond cold light tooth whitening and Tree home teeth whitening package were both effective for different types discolored teeth,but the former is more convenient and time saving.